//
//  Student.h
//  08-iOS9新特性(Nulllability, 泛型,_kindOf)
//
//  Created by Snow on 16/7/13.
//  Copyright © 2016年 Snow. All rights reserved.
//

#import "Person.h"

@interface Student : Person
@property (nonnull, nonatomic, copy) NSString *stuNumber;

@end
